Chantal A. Pileggi

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OBJECTIVES To measure the postprandial plasma amino acid appearance in younger and older adults following a high protein mixed meal. DESIGN Cross-sectional study. SETTING Clinical research setting. PARTICIPANTS Healthy men and women aged 60-75 (n=15) years, and young controls aged 20-25 years (n=15) matched for body mass index and insulin sensitivity(More)
Ageing is associated with a prolonged and exaggerated postprandial lipaemia. This study aimed to examine the contribution of alterations in chylomicron synthesis, size and lipid composition to increased lipaemia. Healthy older (60-75 years; n 15) and younger (20-25 years; n 15) subjects consumed a high-fat breakfast. Chylomicron dynamics and fatty acid(More)
A high-saturated-fat diet (HFD) during pregnancy and lactation leads to metabolic disorders in offspring concomitant with increased adiposity and a proinflammatory phenotype in later life. During the fetal period, the impact of maternal diet on skeletal muscle development is poorly described, despite this tissue exerting a major influence on life-long(More)
BACKGROUND Inflammation is a factor potentially underpinning skeletal muscle mass. Intestinal-derived inflammation in inflammatory bowel disease (IBD) results in loss of muscle mass; however, the underlying mechanism is unclear. The interleukin 10 gene-deficient (Il10-/-) mouse is a genetically modified animal model of IBD that can be used to study the(More)
Postprandial inflammation and endotoxaemia are determinants of cardiovascular and metabolic disease risk which are amplified by high fat meals. We aimed to examine the determinants of postprandial inflammation and endotoxaemia in older and younger adults following a high fat mixed meal. In a randomised cross-over trial, healthy participants aged 20-25 and(More)
Muscle disuse results in the loss of muscular strength and size, due to an imbalance between protein synthesis (MPS) and breakdown (MPB). Protein ingestion stimulates MPS, although it is not established if protein is able to attenuate muscle loss with immobilization (IM) or influence the recovery consisting of ambulatory movement followed by resistance(More)
A maternal high-fat (HF) diet during pregnancy can lead to metabolic compromise, such as insulin resistance in adult offspring. Skeletal muscle mitochondrial dysfunction is one mechanism contributing to metabolic impairments in insulin resistant states. Therefore, the present study aimed to investigate whether mitochondrial dysfunction is evident in(More)
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